Stay updated with real-time air quality in Chester City, Pennsylvania featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Chester City, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.77 μg/m³
0
55
155
255
425
605+
37.99 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
5.93 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Chester City, Pennsylvania
Chester City, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 56
Moderate
11.81μg/m³
PM2.5
53.36μg/m³
PM10
27.46ppb
O3
0.93ppb
SO2
19.28ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.75μg/m³
PM2.5
52.17μg/m³
PM10
28.64ppb
O3
0.94ppb
SO2
19.25ppb
NO2
0.36ppm
CO
AQI 56
Moderate
12.36μg/m³
PM2.5
55.35μg/m³
PM10
28.29ppb
O3
0.86ppb
SO2
17.10ppb
NO2
0.36ppm
CO
AQI 54
Moderate
11.10μg/m³
PM2.5
48.23μg/m³
PM10
30.07ppb
O3
0.94ppb
SO2
19.39ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.62μg/m³
PM2.5
46.30μg/m³
PM10
31.43ppb
O3
0.94ppb
SO2
19.55ppb
NO2
0.36ppm
CO
AQI 58
Moderate
13.03μg/m³
PM2.5
58.12μg/m³
PM10
31.20ppb
O3
0.69ppb
SO2
11.97ppb
NO2
0.36ppm
CO
Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Chester City, Pennsylvania is updated every hour.
The worst air quality in Chester City, Pennsylvania in the last 24 hours was observed at 03:00:00 on 2025-07-30.
In the last 24 hrs, the best air quality in Chester City, Pennsylvania was observed at 01:00:00 on 2025-07-29.
The current air quality in Chester City, Pennsylvania is 56, categorized as Moderate based on real-time data.
The most common pollutant in Chester City, Pennsylvania is PM2.5.
If the air quality in Chester City, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Chester City, Pennsylvania is 12.081 μg/m3.
The current PM10 concentration at Chester City, Pennsylvania is 54.403 μg/m3.
The current carbon monoxide (CO) concentration at Chester City, Pennsylvania is 0.389 ppm.
The current sulfur dioxide (SO2) concentration at Chester City, Pennsylvania is 0.36 ppb.
The current ozone (O3) concentration at Chester City, Pennsylvania is 27.403 ppm.
The current nitrogen dioxide (NO2) concentration at Chester City, Pennsylvania is 19.96 ppb.
All Rights Reserved © Ambee Inc. 2025